Answer: Mustard Gas
Explanation:
Mustard gas is incredibly lethal and was used more in world war one than world war two that is a common misconception.
Desertification has led to limited necessary goods like water and crop reduction. This resulted in the Arab Spring, an uprising in North Africa, particularly Tunisia, where the price of bread became too unaffordable.
Answer:
A testable proposition or prediction is a <u>hypothesis</u>; while an explanation using an integrated set of principles that organizes observations and predicts behaviors or events is a <u>theory</u>.
Explanation:
The hypothesis is a proposition that establishes a relationship between the facts: a hypothesis is the establishment of a link between the facts that the researcher clarifies to the extent that he can generate logical explanations of why this link occurs.A theory is a set of interrelated structures (concepts, definitions and propositions) that present a systematic perspective of the phenomena specifying the relationships. It is the main objective of science, it is a combination that is projected in a systematic perspective of the phenomena in order to describe, explain, predict and control the phenomena.
